The Maxibright Varidrive dimmable Ballast is another premium quality digital ballast produced by market leaders Maxibright. The Varidrive ballasts produces more PAR light (usable plant light) and use less electricity than traditional magnetic ballasts. The digital intelligent ignition feature prevents electrical surges when multiple ballasts start up, there is also soft start technology, which will increase lamp life. It can be used with HPS and MH lamps. Featuring a 4-way switch that allows growers to power 250W, 400W and 600W lamps, it can also boost your 600w lamp by 10% using the overdrive function, taking it to 660w which can be especially useful during the flowering cycle. The Maxibright Varidrive dimmable Ballast also has RF shielding so will not interfere with other electrical equipment. Incredible 600w performance for a low price Features high-quality and extremely reliable internal components Provides four lighting options in one ballast: 250w, 400w, 600w and a 660w boost mode Runs cool while producing more efficient and consistent lighting than a traditional magnetic ballast Soft start and thermal protection to prevent energy spikes and damage to both your lamp and ballast Virtually silent operation with in-built hanging brackets for easy wall mounting Capable of running either HPS or MH lamps Lightweight, sleek and elegant design
